python多继承 super问题

逃离我推掉我的手 2022-02-01 13:49 335阅读 0赞

# coding=utf-8
    # https://www.jianshu.com/p/3b7ebe0389e4
    # 胖子老板的父类
    class FatFather(object):
        def __init__(self, name, *args, **kwargs):
            print()
            print("=============== 开始调用 FatFather ========================")
            print('FatFather的init开始被调用')
            self.name = name
            print('调用FatFather类的name是%s' % self.name)
            print('FatFather的init调用结束')
            print()
            print("=============== 结束调用 FatFather ========================")
    
    
    # 胖子老板类 继承 FatFather 类
    class FatBoss(FatFather):
        def __init__(self, name, hobby, *args, **kwargs):
            print()
            print("=============== 开始调用 FatBoss ========================")
            print('胖子老板的类被调用啦！')
            # super().__init__(name)
            ## 因为多继承传递的参数不一致，所以使用不定参数
            super().__init__(name, *args, **kwargs)
            print("%s 的爱好是 %s" % (name, hobby))
            print()
            print("=============== 结束调用 FatBoss ========================")
    
    
    # 胖子老板的老婆类 继承 FatFather类
    class FatBossWife(FatFather):
        def __init__(self, name, housework, *args, **kwargs):
            print()
            print("=============== 开始调用 FatBossWife ========================")
            print('胖子老板的老婆类被调用啦！要学会干家务')
            # super().__init__(name)
            ## 因为多继承传递的参数不一致，所以使用不定参数
            super().__init__(name, *args, **kwargs)
            print("%s 需要干的家务是 %s" % (name, housework))
            print()
            print("=============== 结束调用 FatBossWife ========================")
    
    
    # 胖子老板的女儿类 继承 FatBoss FatBossWife类
    class FatBossGril(FatBoss, FatBossWife):
        def __init__(self, name, hobby, housework):
            print('胖子老板的女儿类被调用啦！要学会干家务，还要会帮胖子老板斗地主')
            super().__init__(name, hobby, housework)
    
    
    def main():
        print("打印FatBossGril类的MRO")
        print(FatBossGril.__mro__) # 这个就是执行顺序
    
        print()
        print("=========== 下面按照 MRO 顺序执行super方法 =============")
        gril = FatBossGril("胖子老板", "打斗地主", "拖地")
    
    
    if __name__ == "__main__":
        main()
    
    
    """ 打印FatBossGril类的MRO (<class '__main__.FatBossGril'>, <class '__main__.FatBoss'>, <class '__main__.FatBossWife'>, <class '__main__.FatFather'>, <class 'object'>) =========== 下面按照 MRO 顺序执行super方法 ============= 胖子老板的女儿类被调用啦！要学会干家务，还要会帮胖子老板斗地主 =============== 开始调用 FatBoss ======================== 胖子老板的类被调用啦！ =============== 开始调用 FatBossWife ======================== 胖子老板的老婆类被调用啦！要学会干家务 =============== 开始调用 FatFather ======================== FatFather的init开始被调用 调用FatFather类的name是胖子老板 FatFather的init调用结束 =============== 结束调用 FatFather ======================== 胖子老板 需要干的家务是 拖地 =============== 结束调用 FatBossWife ======================== 胖子老板 的爱好是 打斗地主 =============== 结束调用 FatBoss ======================== """

class Car:
        def __init__(self,name,age,**kwargs):
            self.name = name
            self.age = age
            print(self.name,self.age,"car")
        def say(self):
            print("hello car")
    
    class Truck:
        def __init__(self,name,color,*args,**kwargs):
            self.name = name
            self.age = color
            print(self.name,self.age,"truck")
        def say(self):
            print("hello truck")
    
    class DF(Truck,Car):
        def __init__(self,name,color,age,*args,**kwargs):
            self.name = name
            self.age = color
            self.name = age
            super().__init__(name,color,age)
            print(DF.__mro__)
    
    if __name__ == '__main__':
        DF("dongfeng","red",7).say()
    
    """ dongfeng red truck (<class '__main__.DF'>, <class '__main__.Truck'>, <class '__main__.Car'>, <class 'object'>) hello truck """

动态属性@property 、
    __getattr__和__getattribute__ 、 
    __new__ 和 __init__、
    属性描述符	
    https://blog.csdn.net/sunt2018/article/details/88696305
    
    类变量、实例变量、类方法、实例方法、静态方法。
    https://blog.csdn.net/sunt2018/article/details/86571961
    
    鸭子类型和抽象基类
    https://blog.csdn.net/sunt2018/article/details/86570014